style：出库单据-产品出库/物料出库添加出库用途

src/views/erp/stock/out/components/StockOutItemForm.vue

@@ -93,7 +93,7 @@
         </template>
       </el-table-column>
 
-      <el-table-column v-if="isSparePartStockOut" :label="t('ErpStock.Item.outboundPurpose')" min-width="140">
+      <el-table-column v-if="showOutboundPurposeColumn" :label="t('ErpStock.Item.outboundPurpose')" min-width="140">
         <template #default="{ row, $index }">
           <el-form-item :prop="`${$index}.outUsageType`" :rules="formRules.outUsageType" class="mb-0px!">
             <el-input v-if="disabled" :model-value="getOutboundPurposeLabel(row.outUsageType)" readonly />
@@ -518,13 +518,25 @@ const isProductMaterialStockOut = computed(() => Boolean(activeCategoryType.valu
 const isProductStockOut = computed(() => activeCategoryType.value === 1)
 const isPurchaseUnitStockOut = computed(() => activeCategoryType.value === 2 || activeCategoryType.value === 3)
 const isSparePartStockOut = computed(() => activeCategoryType.value === 3)
+const showOutboundPurposeColumn = computed(() => isProductMaterialStockOut.value)
 const codeColumnLabel = computed(() => {
   if (activeCategoryType.value === 1) return t('ErpStock.Item.productLabel')
   if (activeCategoryType.value === 2) return t('ErpStock.Item.materialLabel')
   if (activeCategoryType.value === 3) return t('ErpStock.Item.sparePartLabel')
   return t('ErpStock.Item.barcode')
 })
-const outboundPurposeOptions = computed(() => getStrDictOptions(DICT_TYPE.WAREHOUSE_OUTBOUND_PURPOSE))
+const allOutboundPurposeOptions = computed(() => getStrDictOptions(DICT_TYPE.WAREHOUSE_OUTBOUND_PURPOSE))
+const outboundPurposeValuesByCategoryType: Record<number, string[]> = {
+  1: ['3', '4'],
+  2: ['3', '5'],
+  3: ['1', '2', '3']
+}
+const outboundPurposeOptions = computed(() => {
+  const allowedValues = outboundPurposeValuesByCategoryType[activeCategoryType.value || 0]
+  if (!allowedValues) return []
+  const allowedValueSet = new Set(allowedValues)
+  return allOutboundPurposeOptions.value.filter((dict) => allowedValueSet.has(String(dict.value)))
+})
 const getInventoryQuantityUnitName = (row: any) => row.unitName || row.productUnitName
 const formatSpecQuantity = (value: any) => {
   if (value === undefined || value === null || value === '') return ''
@@ -1215,7 +1227,7 @@ const handleOutboundPurposeChange = (row: any) => {
 
 const getOutboundPurposeLabel = (value: any) => {
   const currentValue = String(value ?? '')
-  return outboundPurposeOptions.value.find((item) => String(item.value) === currentValue)?.label ?? '-'
+  return allOutboundPurposeOptions.value.find((item) => String(item.value) === currentValue)?.label ?? '-'
 }
 
 const getOutModeLabel = (value: any) => {